Abstract— The successful application of catamaran hull form as passenger carriers has been well-known since the last 30 years. It is later extended to the development of fishing vessels and the reason behind this is attributed to safety criteria and wider deck-space which can be offered by the catamaran. It is also in connection with the handicaps of monohull fishing vessels, in terms of stability and seakeeping performance which can be improved by the introduction of catamaran forms. Recent situation on the rare and expensive fossil fuels have caused the fishermen into deep trouble hence most of them tend to be deprived if there is no anticipation taken to help them. The current paper describes a systematic investigation into the way to reduce (if not possible to replace completely) the use of fossil fuels on a catamaran fishing vessel. The study is focused on the use of diesel engine, sail and solar power on individual application as well as the combination of them. The implication to the final cost of the vessel, however, is negligible. It is discovered that the use of diesel engine could be replaced by the use of sail and solar power for individual basis. A combination of those power sources is found to be more appropriate in terms of stability and capacity of fishing holds. The investigation is extended to the evaluation of energy efficiency design index (EEDI), a compulsory criterion for measuring marine pollution made by the international maritime organization (IMO) and applied for ocean-going vessels. It is considered for fishing vessels because this type of vessel is thousands in number and most of them use engine together with fossil fuels hence there is strong potency to pollute air and the environment.
Keywords— Catamaran, fishing vessel, stability and seakeeping, power estimation, energy efficiency.
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